Meyer, Mary A., author
Society for Industrial and Applied Mathematics, 2001
eBooks
Weiss, Sholom M., author
Rowman and Allanheld, 1984
Buku Teks
Woo, Julia T.
Harper & Row , 1986
Buku Teks
Turban, Efraim, 1930-, author
Prentice-Hall, 1995
Buku Teks
Waterman, Donald A., author
Addison-Wesley Publishing, 1986
Buku Referensi